Beautiful Architecture
to “compute the sugar content,” “estimate the time to make” the pudding, and obtain “instructions to make it.” A “bad approach” ...
N O T E We share the reader’s alarm at the unappetizing nature of the example, especially coming from a Paris-based author. The ...
Examples of combinators on contracts include: or, such that acquiring the contract (or c1 c2) means acquiring either of c1 and c ...
The article and presentation suggest that this is a new idea for financial contracts. If so, the insights should be beneficial t ...
Regardless of the approach, these t × f elements will have to be accommodated. The architectural problem is how we group them in ...
properties and operations in common, in the same way that puddings can be grouped into categories. Such groupings would help mod ...
through combinators, to the loop version. Then again, others prefer loops, and because we are talking about the fine-grain struc ...
property of the approach, which does not require it, but it is pervasive in these and many other publications. Still, notation c ...
First, there is the issue of correctness. The ease of writing potentially infinite programs may mask the difficulty of ensuring ...
operations can, in addition to delivering a result (as a mathematical function does), modify the state of the computation: eithe ...
whether this is worth the trouble. Making the state available to functional programmers through monads is akin to telling your f ...
Here read_character is a command, consuming a character from the input; last_character is a query, returning the last character ...
class REPETITION create make feature base: FOOD quantity: REAL make (b: FOOD; q: REAL) -- Produce this food element from quantit ...
Not only can classes have different creation procedures, they will generally have many more features. Specifically, the operatio ...
through the application of abstract data type principles: a class is defined, and known to the rest of the world, through an abs ...
It is important to note the distribution of roles between inheritance and the client relation. A fruit salad is a pudding and is ...
end end index item 1 Before Start Cursor Finish Forth After count FIGURE 13-4. A polymorphic list with cursors This applies the ...
descendant classes, adapted to the choice that each effective class has made for implementing the general concept defined by the ...
my_contract.value—without knowing what version of the routine is used, in what class, and whether it is specific to that class o ...
Extendibility: Adding Operations The argument for object technology’s support for extendibility comes in part (in addition to me ...
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